Tread portion of motorcycle tire



FIG. 1 is a perspective view of motorcycle tire showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is an end view taken along line A—A in FIG. 2; and,

FIG. 5 is a fragmentary enlarged view showing the details of the tread portion thereof.

In the drawings, the broken lines defining the sidewall, inner bead and the peripheral boundary between the claimed tire tread and the unclaimed sidewall depict environmental subject matter that forms no part of the claimed design. 

The ornamental design for tread portion of a motorcycle tire, as described above and shown in the drawings. 